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From aaron morton <aa...@thelastpickle.com>
Subject Re: Connection Reset By Peer (CQL over SSH Tunnel)
Date Sun, 20 May 2012 23:48:47 GMT
What  host:port is the client using ? 

What is in the client side logs at DEBUG ? 

Cheers

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 18/05/2012, at 5:32 AM, Montgomery Burns wrote:

> Hi,
> 
> I am trying to connect to a Cassandra (1.0.8 or 1.1.0) server with the
> standard Thrift/CQL client, over an SSH tunnel, but keep getting this
> exception:
> 
> org.apache.thrift.transport.TTransportException:
> java.net.SocketException: Connection reset by peer: socket write error
> 
> The CQL query itself, as well as the Java code surrounding it is (or
> at least should be) valid, since it runs fine when server and client
> are both on the same machine, or at least in the same LAN.
> 
> The network setup is as follows:
> 
> Client machine with localhost-1, Internal-IP-1, Public-IP-A
> SSH server machine with Internal-IP-2, Public-IP-B
> Cassandra server machine with localhost-3, Internal-IP-3
> 
> The SSH server and the Cassandra server are both on the same LAN and
> thus can communicate directly with their internal IPs (Internal-IP-2
> to Internal-IP-3). The client machine connects to the SSH server
> (Public-IP-A to Public-IP-B) and opens a tunnel forwarding the data
> sent to localhost-1 on to Internal-IP-3 on ports 9160, 7000 and 7001.
> This seems to be working fine as I can connect to the Cassandra server
> with telnet (with telnet localhost 9160), but when starting the
> Cassandra client program it throws the exception mentioned above.
> 
> Thus I think it is safe to assume that this is neither a connection
> refused, nor a timeout issue - indicating the that the initial
> connection attempt succeed, and thus no firewall was interfering, but
> something still went wrong later on.
> 
> Do you have any idea what the issue could be? Or what I would need to change?
> 
> 
> Thank you!


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